Repeal

The Annulment or abrogation of a previously existing statute by the enactment of a later law that revokes the former law.

The revocation of the law can either be done through an express repeal, whereby a statute specifically indicates that the former law shall be revoked and abrogated, or through an implied repeal, which arises when the later statute contains provisions that are so contrary or irreconcilable with those of the prior law that only one can remain in force.

The repeal of a law differs from the amendment thereof, because the amendment of a law involves making a change in a law that already exists, leaving a portion of the original still standing. When a law is repealed, however, it is completely abrogated.

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repeal 1) v. to annul an existing law, by passage of a repealing statute, or by public vote on a referendum. Repeal of U. S. Constitutional provisions require an amendment, as with the repeal of prohibition in which the 21st Amendment repealed the 18th Amendment. 2) n. the act of annulling a statute.

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REPEAL, legislation. The abrogation or destruction of a law by a legislative act.
     2. A repeal is express; as when it is literally declared by a subsequent law or implied, when the new law contains provisions contrary to or irreconcilable with those of the former law.
     3. A law may be repealed by implication, by an affirmative as well as by a negative statute, if the substance is inconsistent with the old statute. 1 Ham. 10: 2 Bibb, 96; Harper, 101; 4 W. C. C. R. 691.
     4. It is a general rule that when a penal statute punishes an offence by a certain penalty, and a new statute is passed imposing a greater or a lesser penalty, for the same offence, the former statute is repealed by implication. 5 Pick. 168; 3 Halst. 48; 1 Stew. 506; 3 A. K. Marsh. 70; 21 Pick. 373. See 1 Binn. 601; Bac. Ab. Statute D 7 Mass. 140.
     5. By the common law when a statute repeals another, and afterwards the repealing statute is itself repealed, the first is revived. 2 Blackf. 32. In some states this rule has been changed, as in Ohio and Louisiana. Civ. Code of:Louis. art. 23.
     6. When a law is repealed, it leaves all the civil rights of the parties acquired under the law unaffected. 3. L. R. 337; 4 L. R. 191; 2 South. 689; Breese, App. 29; 2 Stew. 160.
     7. When a penal statute is repealed or so modified as to exempt a class from its operation, violations committed before the repeal are also exempted, unless specifically reserved, or unless there have been some private right divested by it. 2 Dana, 330; 4 Yeates, 392; 1 Stew. 347; 5 Rand. 657; 1 W. C. C. R. 84; 2 Virg. Cas. 382. Vide Abrogation; 18 Vin. Ab. 118.